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Finding the Fourth Proportional to 283,694.40, 425,541.60 and 254,145.60

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Solution

The fourth proportional to 283,694.40, 425,541.60 and 254,145.60 is: 381,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,694.40 : 425,541.60 = 254,145.60 : x
  2. Step 2: Convert to fraction form
    283,694.40/425,541.60 = 254,145.60/x
  3. Step 3: Cross multiply
    283,694.40x = 425,541.60 × 254,145.60
  4. Step 4: Simplify right side
    283,694.40x = 108,149,525,256.96
  5. Step 5: Solve for x
    x = 108,149,525,256.96/283,694.40
  6. Step 6: Final answer
    x = 381,218.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.